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28 Cards in this Set
- Front
- Back
- 3rd side (hint)
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Chemistry |
The science that investigates and explains the structure and properties of matter |
Structure and properties |
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Matter |
Anything that takes up space and has mass |
Mass |
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Mass |
The measure of the amount of matter in an object takes up |
Measurement |
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Properties |
Describe the characters and behavior of matter including the changes matter undergoes |
Color, size, etc., |
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Scientific method |
A Thinking device that helps you understand and explain macroscopic observation |
Think device |
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Qualitative |
Observation made without measurement |
Not numbers |
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Quantitative |
Observations made with measurements |
Numbers |
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Substance |
Matter with the same fixed composition and properties |
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Mixture |
A combination of type of two or more substances in which the basic identity of each substance is not changed |
Sugar water |
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Physical change |
Change in matter that doesn't involve a change in the identity of the substance |
Ice into water |
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Physical properties |
Characteristic of a sample of matter that can be observed or measured without any change in its identity |
Red apples |
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Solution |
One that does not have a uniform composition and in which the individual substances remain distinct |
Sand and sugar |
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Alloys |
Solid solutions that contain different metals and sometimes the metallic substances |
Iron plus gold |
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Solute |
The substance being dissolved |
Power mix |
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Solvent |
The substance that dissolve the solute |
Water |
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Aqueous solution |
When does solvent is water this is the solution |
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Elements |
The simplest form of matter |
Simipify |
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Compound |
A chemical combination of two or more different elements joined together in a fixed proportion |
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Formula |
A combination of the chemical symbol that shows what element makes up a compound and the number of atoms of each element |
H2+0 |
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Volatile |
Substances that change the gas easily at room temperature |
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Density |
The amount of matter / Mass contained in a unit of volume |
How much |
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Chemical properties |
Properties that can be observed only when there is a change in the composition of the substance |
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Chemical change |
The change of one or more substances in another substance |
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Chemical reaction |
Decompose, explosion |
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Laws of conservation of mass |
In a chemical change in matter is neither created nor destroyed |
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Energy |
The capacity to do work |
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Exothermic |
Chemical reactions that give off energy |
Exo meaning outside |
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Endothermic |
Chemical reactions that absorbs heat energy |
Endo meaning take in |
